TSTP Solution File: GRP001-2 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : GRP001-2 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %s %d

% Computer : n017.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 600s
% DateTime : Sat Jul 16 11:35:07 EDT 2022

% Result   : Unsatisfiable 0.19s 0.51s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :    6
% Syntax   : Number of clauses     :   11 (  11 unt;   0 nHn;   5 RR)
%            Number of literals    :   11 (  10 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   4 con; 0-2 aty)
%            Number of variables   :   10 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(left_identity,axiom,
    multiply(identity,X) = X,
    file('/export/starexec/sandbox/benchmark/Axioms/GRP004-0.ax',left_identity) ).

cnf(associativity,axiom,
    multiply(multiply(X,Y),Z) = multiply(X,multiply(Y,Z)),
    file('/export/starexec/sandbox/benchmark/Axioms/GRP004-0.ax',associativity) ).

cnf(right_identity,axiom,
    multiply(X,identity) = X,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',right_identity) ).

cnf(squareness,hypothesis,
    multiply(X,X) = identity,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',squareness) ).

cnf(a_times_b_is_c,hypothesis,
    multiply(a,b) = c,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',a_times_b_is_c) ).

cnf(prove_b_times_a_is_c,negated_conjecture,
    multiply(b,a) != c,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_b_times_a_is_c) ).

cnf(11,plain,
    X = multiply(Y,multiply(Y,X)),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[associativity,squareness,theory(equality)]),left_identity,theory(equality)]) ).

cnf(13,plain,
    multiply(multiply(X,Y),Y) = X,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[associativity,squareness,theory(equality)]),right_identity,theory(equality)]) ).

cnf(23,plain,
    b = multiply(a,c),
    inference('PARAMODULATE',[status(thm)],[11,a_times_b_is_c,theory(equality)]) ).

cnf(30,plain,
    multiply(b,c) = a,
    inference('PARAMODULATE',[status(thm)],[13,23,theory(equality)]) ).

cnf(37,plain,
    $false,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[11,30,theory(equality)]),prove_b_times_a_is_c]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : GRP001-2 : TPTP v8.1.0. Released v1.0.0.
% 0.03/0.13  % Command  : run-snark %s %d
% 0.12/0.34  % Computer : n017.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Mon Jun 13 17:58:53 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.19/0.46  /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.19/0.47  * 
% 0.19/0.47  * 
% 0.19/0.47  #<PACKAGE "SNARK-USER">
% 0.19/0.47  * 
% 0.19/0.47  SNARK-TPTP-OPTIONS
% 0.19/0.47  * 
% 0.19/0.47  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.19/0.47   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.19/0.47   (USE-FACTORING :POS)
% 0.19/0.47   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.19/0.47   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.19/0.47   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.19/0.47   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.19/0.47   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.19/0.47   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.19/0.47   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.19/0.47   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.19/0.47   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.19/0.47   (DECLARE-TPTP-SYMBOLS2))
% 0.19/0.47  * 
% 0.19/0.47  "."
% 0.19/0.47  * 
% 0.19/0.47  ; Begin refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-06-13T17:58:53
% 0.19/0.47  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n017.cluster.edu at 2022-06-13T17:58:53
% 0.19/0.49  
% 0.19/0.49  ; Recognized left identity assertion (= (|multiply| |identity| ?X) ?X).
% 0.19/0.49  ; Recognized possible left inverse assertion (= (|multiply| (|inverse| ?X) ?X) |identity|).
% 0.19/0.49  ; Recognized associativity assertion (= (|multiply| (|multiply| ?X ?Y) ?Z) (|multiply| ?X (|multiply| ?Y ?Z))).
% 0.19/0.49  ; Recognized right identity assertion (= (|multiply| ?X |identity|) ?X).
% 0.19/0.51  ; Recognized possible right inverse assertion (= (|multiply| ?X (|inverse| ?X)) |identity|).
% 0.19/0.51  
% 0.19/0.51  #||
% 0.19/0.51  % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.19/0.51  % SZS output start Refutation
% See solution above
% 0.19/0.51  ||#
% 0.19/0.51  
% 0.19/0.51  ; Summary of computation:
% 0.19/0.51  ;       101 formulas have been input or derived (from 16 formulas).
% 0.19/0.51  ;        37 (37%) were retained.  Of these,
% 0.19/0.51  ;            7 (19%) were simplified or subsumed later,
% 0.19/0.51  ;           30 (81%) are still being kept.
% 0.19/0.51  ; 
% 0.19/0.51  ; Run time in seconds excluding printing time:
% 0.19/0.51  ;     0.002   5%   Read assertion file          (1 call)
% 0.19/0.51  ;     0.000   0%   Assert                       (8 calls)
% 0.19/0.51  ;     0.001   3%   Process new row              (95 calls)
% 0.19/0.51  ;     0.000   0%   Resolution                   (30 calls)
% 0.19/0.51  ;     0.002   5%   Paramodulation               (15 calls)
% 0.19/0.51  ;     0.004  11%   Forward simplification       (94 calls)
% 0.19/0.51  ;     0.001   3%   Backward simplification      (37 calls)
% 0.19/0.51  ;     0.004  11%   Ordering                     (300 calls)
% 0.19/0.51  ;     0.001   3%   Sortal reasoning             (32 calls)
% 0.19/0.51  ;     0.000   0%   Purity testing               (1 call)
% 0.19/0.51  ;     0.022  59%   Other
% 0.19/0.51  ;     0.037        Total
% 0.19/0.51  ;     0.038        Real time
% 0.19/0.51  ; 
% 0.19/0.51  ; Term-hash-array has 91 terms in all.
% 0.19/0.51  ; Feature-vector-row-index has 0 entries (0 at peak, 0 added, 0 deleted).
% 0.19/0.51  ; Feature-vector-row-index has 1 node (1 at peak, 1 added, 0 deleted).
% 0.19/0.51  ; Path-index has 78 entries (78 at peak, 95 added, 17 deleted).
% 0.19/0.51  ; Path-index has 117 nodes (122 at peak, 127 added, 10 deleted).
% 0.19/0.51  ; Trie-index has 78 entries (78 at peak, 95 added, 17 deleted).
% 0.19/0.51  ; Trie-index has 212 nodes (212 at peak, 254 added, 42 deleted).
% 0.19/0.51  ; Retrieved 377 generalization terms in 299 calls.
% 0.19/0.51  ; Retrieved 85 instance terms in 48 calls.
% 0.19/0.51  ; Retrieved 183 unifiable terms in 81 calls.
% 0.19/0.51  ; 
% 0.19/0.51  ; The agenda of rows to process has 2 entries:
% 0.19/0.51  ;     2 with value 16
% 0.19/0.51  ; The agenda of rows to give has 17 entries:
% 0.19/0.51  ;     1 with value (4 10)          4 with value (4 15)           2 with value (4 17)
% 0.19/0.51  ;     2 with value (4 12)          1 with value (4 16)           5 with value (4 20)
% 0.19/0.51  ;     2 with value (4 13)
% 0.19/0.51  Evaluation took:
% 0.19/0.51    0.038 seconds of real time
% 0.19/0.51    0.032333 seconds of user run time
% 0.19/0.51    0.006522 seconds of system run time
% 0.19/0.51    0 calls to %EVAL
% 0.19/0.51    0 page faults and
% 0.19/0.51    2,170,056 bytes consed.
% 0.19/0.51  :PROOF-FOUND
% 0.19/0.51  ; End refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-06-13T17:58:53
% 0.19/0.51  :PROOF-FOUND
% 0.19/0.51  * 
%------------------------------------------------------------------------------